Eraser for fountain-pen caps.



w. WQIHNE.

ERASER FOR FOUNTAIN PE N CAPS.

APPLICATION FILED OCT-23,1916.

Patenied Feb.13,191 7.

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' head 5 firmly in place, the

WALTER V1". IHNE, GF CE ICAGD, ILZIHQES.

EEAEER FOR FOUNTAIN-PEN CAIPS.

Specification of Letters Patent.

Patented Feb. 13, 192%.

Application filed October 23, 1916. Serial No. 127,210.

To aid w/wm it may concern:

Be it known that I, WALTER citizen of the United States, cage, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Erasersfor Fountain- Pen Caps, of which the following is a specification, reference being had therein to the accompanying drawing.

This invention relates to improvements in eraser-s for fountain pen caps, one object of the invention being the provision of a novel form of pen cap in which the closed end is sealed by a removable eraser carrying member which is-rea-dily W. In NE, a

desired to use the same.

A further object of this invention is the provision of an eraser caps in which the eraser element when composed of a rubber composition or the like may be readily renewed and which may be interchanged when desired with a knife or cutting eraser.

' In the accompanying drawings:

Figure l is a side elevation, partly in section, of a fountain pen cap provided with the present invention.

Fig. 2 is a side elevation of the eraser carrying member per so.

*ig. 3 is a view in elevation of the knife eraser per 86. v

Fig. 4 is a modified form of the knife eraser. l

Referring to the drawings and more particularly to Figs. 1 and '2 thereof, the numeral 1 designates the eraser member which is here composed of a rnbbercomposition, the same being provided is adapted to fit within the socket of the member 3 afterthe stem of the eraser has been projected through the'tubuler member 2. The tubular member 2 threadedly engages the member 3 so as to clamp the mill head of the member 2 being adapted to engage the inner end of the reduced exteriorly threaded por tion of the member 5 so that the parts when in the cap 4t wiil assume the position as shown in Fig. l, the eraser being concealed or when the eraser is in use, being detached as shown in Fig. 2.

Where so desired, the member 1 may be residing at Chidesired material concealed whennot in use and is easily accessible when it is attachment for pen with a head 5 which substituted for the member 1, the same be ing provided with a knife blade '6 While the shank of the member 1' is madeof metal and preferably integral with the blade. As shown in Fig. 4 the member 3' is attached directly to the knife eraser 1", thus dispensing with the locking member From the foregoing description it is evident that the parts 2 and 3 may be constructed of the same material as the cap 4: or any that will accomplish the purpose.

What I claim as new is:

1. The combination with a fountain pen cap, of a removable eraser member attzi ched to one end thereof and when not in use forming a closure for the cap, the latter includ ing an exteriorly threaded tubular member an erasing member mounted therein and provided with a disk head upon one end and a concealing member for the cap having an in teriorly threaded socket for receiving the tubular member and coiiperating therewith to clamp the erasing member firmly in place.

2. The combination with a fountain'pen cap, of a. removable eraser member attached to one end thereof and when not in use forniing a closure for the cap, the latter includ ing' a closure for the reduced portion for engaging the cap and being further, provided with an interior screw threaded socket, an erasing member having a cylindrical shank and a disk head, the head of which seats within the socketodjacent the closed end thereof, and a tubular locking member receiving the shank of the erasing member and fitting within the socket of the closure to clamp the erasing member in position.

3. A fountain pen cap open at both ends one end of the cap being interiorly screwthreaded, a closing plug for the cap having;

socket and an exte an internally threaded riorly threaded reduced portion, the latter portion being adapted to engage the threads of the cap to closethe end of the cap, an erasing member having a shank termina d in head upon one end,'said head adapted to within the socket of the -clo sure member against the bottom thereof, and an eraser locking member consisting or e.

tubular double diametered member the re duced diameter being exteriorly threaded and being adapted to threaded ly engage the In testimony whereof I afiix my signature socket of the closure member, the shank of in presence of two witnesses.

the eraser being mounted through said tu'- WALTER \V. IHNE. bularmem'ber and having its disk head Witnesses: 1 6 clamped firmly against the bottom of the WM. A. ERDMANN,

socket of the closure member. FRNK J. WITZKE. 

